Bolt, Close Tolerance5306-01-646-8461

NSN 5306-01-646-8461 · NIIN 016468461

FSC 5306 — Bolts · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5306-01-646-8461 · 5306016468461 · NIIN 016468461 · 01-646-8461 · FSC 5306 Bolts

Nearby stock numbers ← 5306-01-646-8259 Bolt, Close Tolerance · 5306-01-646-8524 Bolt, Machine →

5306-01-646-8461 — Bolts

Features

Bolt,close Tolerance — FSC 5306
Head Height: 0.090 INCHES NOMINAL IN
Fastener Length: 1.679 INCHES MINIMUM AND 1.694 INCHES MAXIMUM IN
Thread Length: 0.412 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN
Nominal Thread Diameter: 0.2500 INCHES IN
Head Style: HEXAGON
Thread Direction: RIGHT-HAND
Grip Length: 1.125 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN

Identification

NSN: 5306-01-646-8461
NIIN: 016468461
FSC: 5306 — Bolts
FSG: 53 — Hardware and Abrasives

General Description

The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-646-8461, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5306-01-646-8461
Item Name	Bolt,close Tolerance
FSC / FSG	5306 / 53 — Bolts
Status	ACTIVE
Head Height	0.090 INCHES NOMINAL IN
Fastener Length	1.679 INCHES MINIMUM AND 1.694 INCHES MAXIMUM IN
Thread Length	0.412 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN
Nominal Thread Diameter	0.2500 INCHES IN
Head Style	HEXAGON
Thread Direction	RIGHT-HAND
Grip Length	1.125 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN
Width Between Flats	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
Grip Diameter	0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN
Thread Class	3A A
Thread Quantity Per Inch	28
Material	STEEL OVERALL
Thread Series Designator	UNIFIED NATIONAL JOINT FINE (UNJF)

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
MS27576-4-18B	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 5306 — Bolts

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5306-00-001-1276

5306-00-001-1276 · Item name not on file

5306-00-001-1949

5306-00-001-1949 · Item name not on file

5306-00-001-1988

5306-00-001-1988 · Item name not on file

5306-00-001-1989

5306-00-001-1989 · Item name not on file

5306-00-001-1990

5306-00-001-1990 · Item name not on file

5306-00-001-1991

5306-00-001-1991 · Item name not on file

5306-00-001-1993

BOLT,SHEAR

5306-00-001-2017

BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-01-646-8461?

NSN 5306-01-646-8461 is a Bolt,close Tolerance, classified under FSC 5306, Bolts. Status: active.

What are the specifications of 5306-01-646-8461?

Key specifications for 5306-01-646-8461: Head Height: 0.090 INCHES NOMINAL IN; Fastener Length: 1.679 INCHES MINIMUM AND 1.694 INCHES MAXIMUM IN; Thread Length: 0.412 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.2500 INCHES IN. 13 specifications are documented in the U.S. Government catalog.

Is NSN 5306-01-646-8461 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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